diff --git a/.gitignore b/.gitignore
index b3ea282dd..32f124c43 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,9 @@
 *.txt.user.6d59f0c
 /python-build/
 *.pydevproject
+cython/venv
+cython/gtsam.cpp
+cython/gtsam.cpython-35m-darwin.so
+cython/gtsam.pyx
+cython/gtsam.so
+cython/gtsam_wrapper.pxd